On Wed, Jan 27, 2016 at 09:50:18AM +0100, Christian Borntraeger wrote:
> We can use debug_pagealloc_enabled() to check if we can map
> the identity mapping with 1MB/2GB pages as well as to print
> the current setting in dump_stack.
>
> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
> ---
> arch/s390/kernel/dumpstack.c | 8 ++++----
> arch/s390/mm/vmem.c | 10 ++++------
> 2 files changed, 8 insertions(+), 10 deletions(-)
>
> diff --git a/arch/s390/kernel/dumpstack.c b/arch/s390/kernel/dumpstack.c
> index dc8e204..3f352e9 100644
> --- a/arch/s390/kernel/dumpstack.c
> +++ b/arch/s390/kernel/dumpstack.c
> @@ -11,6 +11,7 @@
> #include <linux/export.h>
> #include <linux/kdebug.h>
> #include <linux/ptrace.h>
> +#include <linux/mm.h>
> #include <linux/module.h>
> #include <linux/sched.h>
> #include <asm/processor.h>
> @@ -184,10 +185,9 @@ void die(struct pt_regs *regs, const char *str)
> #endif
> #ifdef CONFIG_SMP
> printk("SMP ");
> -#endif
> -#ifdef CONFIG_DEBUG_PAGEALLOC
> - printk("DEBUG_PAGEALLOC");
> -#endif
> +#endif
> +if (debug_pagealloc_enabled())
> + printk("DEBUG_PAGEALLOC");
> printk("\n");
Indentation is broken ("if").
Besides that
Reviewed-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
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